Parma Finned 2 Piece Aluminum Heat Sink for Double Barrel Resistor Used in PARMA Turbo Qualifier Controllers (#270B/270C). You can add to any Turbo Controller - handle modifications are necessary (cut the top off of handle). See 1/24 Controllers For Photos of #270B/270C.

Purchase Any 7 Parma Products and Receive ONE FREE (= or less $)
Or Use Your Estes Ark Passport And Receive 10% off Each Item.